Tritium
Videos
Tritium, or hydrogen-3, is a rare and radioactive isotope of hydrogen with a half-life of 12.32 years. The tritium nucleus contains one proton and two neutrons, whereas the nucleus of the common isoto
Radioluminescent 1.8 curies (67 GBq) 6 by 0.2 inches (152.4 mm × 5.1 mm) tritium vials are thin, tritium-gas-filled glass vials whose inner surfaces are coated with a phosphor. The vial shown here is brand-new.
Swiss Military watch with tritium-illuminated face
Nuclear fission
Videos
Nuclear fission is a reaction in which the nucleus of an atom splits into two or more smaller nuclei. The fission process often produces gamma photons, and releases a very large amount of energy even
The cooling towers of the Philippsburg Nuclear Power Plant in Germany
The mushroom cloud of the atomic bomb dropped on Nagasaki, Japan, on 9 August 1945 rose over 12 kilometres (7.5 mi) above the bomb's hypocenter, which killed an estimated 39,000 people.
Otto Hahn and Lise Meitner in 1912
The nuclear fission display at the Deutsches Museum in Munich. The table and instruments are originals, but would not have been together in the same room.